* mdebugread.c (psymtab_to_symtab_1): Copy linetable to obstack.

	* mdebugread.c (psymtab_to_symtab_1): Copy linetable to obstack.
	(new_symtab): Don't set `free_code' on symtab.
	(new_linetable): Properly handle size==0.
	* symtab.h (struct symtab) <free_code, free_func>: Remove.
	* symmisc.c (free_symtab): Don't free the linetable.  Don't call
	free_func.
	* jv-lang.c (struct jv_per_objfile_data): New.
	(jv_per_objfile_free): Free the data.
	(get_dynamics_objfile): Allocate a jv_per_objfile_data.
	(get_java_class_symtab): Set the `dict' field on the
	jv_per_objfile_data.
	(free_class_block): Remove.
	* buildsym.c (end_symtab): Don't set `free_code' or `free_func' on
	the symtab.